Identification method for ligusticum wallichii in ostealgia medicinal liquor
A technology of Gutong medicinal wine and Chuanxiong, which is applied in the field of traditional Chinese medicine testing, can solve problems such as difficulty in effectively controlling the quality of drugs, and achieve the effects of improving quality testing standards, good extraction effect and good reproducibility.
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Embodiment 1
[0048] The identification method of Rhizoma Chuanxiong in Gutong Medicinal Wine comprises the following steps:
[0049] (1) Preparation of the test solution: Take 22 mL of this product, add 25 mL of ether each time, shake and extract once to obtain the ether solution, evaporate to dryness, add 2 mL of ethyl acetate to the residue to dissolve it, and use it as the test solution;
[0050] (2) Preparation of the reference drug solution: take 0.5 g of the reference drug of Rhizoma Chuanxiong, add 15 mL of ether to reflux for extraction for 1.5 h, filter, evaporate the filtrate to dryness, add 1 mL of ethyl acetate to the residue to dissolve it, and use it as the reference drug solution;
[0051] (3) Identification: According to the TLC test of "Chinese Pharmacopoeia" in 2015, the four general rules 0502, draw 8 μL of the control medicinal material solution and 8 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, and use n-hexane-ethyl acetate Est...
Embodiment 2
[0053] The identification method of Rhizoma Chuanxiong in Gutong Medicinal Wine comprises the following steps:
[0054] (1) Preparation of the test solution: take 25 mL of this product, add 30 mL of ether each time, shake and extract 3 times, combine the ether solution, evaporate to dryness, add 3 mL of ethyl acetate to the residue to dissolve it, and use it as the test solution;
[0055] (2) Preparation of the reference drug solution: take 0.5 g of the reference drug of Rhizoma Chuanxiong, add 18 mL of diethyl ether to reflux for extraction for 2 hours, filter, evaporate the filtrate to dryness, add 1 mL of ethyl acetate to the residue to dissolve it, and use it as the reference drug solution;
[0056] (3) Identification: According to the "Chinese Pharmacopoeia" 2015 edition four general rules 0502 thin-layer chromatography test, draw 12 μL of the reference medicinal material solution and 12 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, ...
Embodiment 3
[0058] The identification method of Rhizoma Chuanxiong in Gutong Medicinal Wine comprises the following steps:
[0059] (1) Preparation of the test solution: Take 20 mL of this product, add 20 mL of ether each time, shake and extract twice, combine the ether solution, evaporate to dryness, add 1 mL of ethyl acetate to the residue to dissolve it, and use it as the test solution;
[0060] (2) Preparation of the reference drug solution: take 0.5 g of the reference drug of Rhizoma Chuanxiong, add 20 mL of diethyl ether to reflux for extraction for 1 h, filter, evaporate the filtrate to dryness, add 1 mL of ethyl acetate to the residue to dissolve it, and use it as the reference drug solution;
[0061] (3) Identification: According to the TLC test of "Chinese Pharmacopoeia" in 2015, the four general rules 0502, draw 10 μL of the control medicinal material solution and 10 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, and use n-hexane-ethyl acet...
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